Top housing for an electronic device



FIG. 1 is a front, top, right side perspective view of a top housing for an electronic device, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a front side elevation view thereof; and,

FIG. 6 is a back side elevation view thereof.

The broken lines are for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a top housing for an electronic device, as shown and described. 